Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"pha duc tao snippets" » "pham duc tao snippets", "phan duc tao snippets", "pha du tao snippets", "pha duc tan snippets", "pha duc tho snippets", "pha duc dao snippets", "pha duc tao slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using data snippets") or ("pha duc tao snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("pha duc tao snippets"))) OR ("locating bugs code snippets")).
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